./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-benchs/inv_square-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version da95e156 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-benchs/inv_square-2.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 9b5f8c7f8f0f24b8f3c006680a1188ad2ebf7298 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-benchs/inv_square-2.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 9b5f8c7f8f0f24b8f3c006680a1188ad2ebf7298 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-da95e15 [2019-11-27 09:45:17,268 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:45:17,275 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:45:17,311 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:45:17,313 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:45:17,321 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:45:17,325 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:45:17,345 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:45:17,347 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:45:17,356 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:45:17,360 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:45:17,364 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:45:17,366 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:45:17,372 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:45:17,376 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:45:17,382 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:45:17,384 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:45:17,390 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:45:17,397 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:45:17,408 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:45:17,415 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:45:17,423 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:45:17,426 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:45:17,433 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:45:17,440 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:45:17,441 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:45:17,441 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:45:17,445 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:45:17,448 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:45:17,449 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:45:17,451 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:45:17,452 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:45:17,453 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:45:17,457 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:45:17,461 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:45:17,462 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:45:17,463 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:45:17,467 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:45:17,467 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:45:17,469 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:45:17,471 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:45:17,473 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 09:45:17,514 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:45:17,516 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:45:17,521 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:45:17,522 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:45:17,524 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:45:17,524 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:45:17,525 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:45:17,525 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 09:45:17,527 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:45:17,527 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:45:17,529 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:45:17,529 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:45:17,532 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:45:17,533 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:45:17,533 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:45:17,533 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:45:17,534 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:45:17,534 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:45:17,537 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:45:17,537 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:45:17,538 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:45:17,538 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:45:17,539 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:45:17,539 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:45:17,542 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:45:17,542 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 09:45:17,542 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 09:45:17,543 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:45:17,543 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9b5f8c7f8f0f24b8f3c006680a1188ad2ebf7298 [2019-11-27 09:45:18,235 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:45:18,266 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:45:18,274 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:45:18,276 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:45:18,279 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:45:18,280 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-benchs/inv_square-2.c [2019-11-27 09:45:18,444 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/40338c124/2f4c70ff6f764af29e9b5da5b5ba9719/FLAGe3c9f3808 [2019-11-27 09:45:19,512 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:45:19,515 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/inv_square-2.c [2019-11-27 09:45:19,535 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/40338c124/2f4c70ff6f764af29e9b5da5b5ba9719/FLAGe3c9f3808 [2019-11-27 09:45:19,573 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/40338c124/2f4c70ff6f764af29e9b5da5b5ba9719 [2019-11-27 09:45:19,583 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:45:19,585 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:45:19,591 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:45:19,591 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:45:19,597 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:45:19,601 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:45:19" (1/1) ... [2019-11-27 09:45:19,608 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70cb08cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:19, skipping insertion in model container [2019-11-27 09:45:19,610 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:45:19" (1/1) ... [2019-11-27 09:45:19,629 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:45:19,675 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:45:20,119 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:45:20,129 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:45:20,180 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:45:20,214 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:45:20,217 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:20 WrapperNode [2019-11-27 09:45:20,218 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:45:20,220 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:45:20,223 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:45:20,223 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:45:20,332 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:20" (1/1) ... [2019-11-27 09:45:20,344 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:20" (1/1) ... [2019-11-27 09:45:20,396 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:45:20,398 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:45:20,399 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:45:20,399 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:45:20,419 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:20" (1/1) ... [2019-11-27 09:45:20,422 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:20" (1/1) ... [2019-11-27 09:45:20,423 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:20" (1/1) ... [2019-11-27 09:45:20,423 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:20" (1/1) ... [2019-11-27 09:45:20,436 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:20" (1/1) ... [2019-11-27 09:45:20,440 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:20" (1/1) ... [2019-11-27 09:45:20,443 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:20" (1/1) ... [2019-11-27 09:45:20,447 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:45:20,457 INFO L168 Benchmark]: Toolchain (without parser) took 864.83 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 968.8 MB in the beginning and 997.1 MB in the end (delta: -28.3 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:45:20,462 INFO L168 Benchmark]: CDTParser took 1.43 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:45:20,464 INFO L168 Benchmark]: CACSL2BoogieTranslator took 628.44 ms. Allocated memory is still 1.0 GB. Free memory was 968.8 MB in the beginning and 957.4 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-27 09:45:20,466 INFO L168 Benchmark]: Boogie Procedure Inliner took 178.61 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 957.4 MB in the beginning and 997.1 MB in the end (delta: -39.7 MB). Peak memory consumption was 9.0 MB. Max. memory is 12.5 GB. [2019-11-27 09:45:20,468 INFO L168 Benchmark]: Boogie Preprocessor took 49.00 ms. Allocated memory is still 1.0 GB. Free memory is still 997.1 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:45:20,480 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.43 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 628.44 ms. Allocated memory is still 1.0 GB. Free memory was 968.8 MB in the beginning and 957.4 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 178.61 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 957.4 MB in the beginning and 997.1 MB in the end (delta: -39.7 MB). Peak memory consumption was 9.0 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 49.00 ms. Allocated memory is still 1.0 GB. Free memory is still 997.1 MB. There was no memory consumed. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-da95e15 [2019-11-27 09:45:24,522 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:45:24,529 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:45:24,571 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:45:24,572 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:45:24,576 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:45:24,582 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:45:24,600 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:45:24,605 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:45:24,611 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:45:24,616 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:45:24,618 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:45:24,623 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:45:24,628 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:45:24,629 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:45:24,635 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:45:24,639 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:45:24,642 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:45:24,647 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:45:24,659 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:45:24,667 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:45:24,675 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:45:24,677 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:45:24,682 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:45:24,690 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:45:24,691 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:45:24,691 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:45:24,695 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:45:24,697 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:45:24,700 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:45:24,702 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:45:24,703 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:45:24,708 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:45:24,710 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:45:24,712 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:45:24,715 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:45:24,716 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:45:24,717 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:45:24,718 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:45:24,722 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:45:24,724 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:45:24,726 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 09:45:24,771 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:45:24,775 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:45:24,779 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:45:24,781 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:45:24,782 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:45:24,782 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:45:24,783 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:45:24,783 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:45:24,785 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:45:24,785 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:45:24,786 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:45:24,787 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:45:24,788 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 09:45:24,788 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 09:45:24,791 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:45:24,791 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:45:24,792 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:45:24,792 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:45:24,792 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:45:24,793 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:45:24,793 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:45:24,796 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:45:24,796 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:45:24,797 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:45:24,797 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:45:24,797 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:45:24,798 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 09:45:24,801 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 09:45:24,801 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:45:24,802 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 09:45:24,803 INFO L138 SettingsManager]: * Logic for external solver=AUFBV Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9b5f8c7f8f0f24b8f3c006680a1188ad2ebf7298 [2019-11-27 09:45:25,411 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:45:25,446 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:45:25,452 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:45:25,457 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:45:25,460 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:45:25,462 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-benchs/inv_square-2.c [2019-11-27 09:45:25,625 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5d19ccf8e/c0151a8feaba4272be29168a327c1941/FLAG95d10f79f [2019-11-27 09:45:26,617 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:45:26,620 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/inv_square-2.c [2019-11-27 09:45:26,636 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5d19ccf8e/c0151a8feaba4272be29168a327c1941/FLAG95d10f79f [2019-11-27 09:45:26,675 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5d19ccf8e/c0151a8feaba4272be29168a327c1941 [2019-11-27 09:45:26,682 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:45:26,688 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:45:26,691 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:45:26,693 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:45:26,702 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:45:26,704 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:45:26" (1/1) ... [2019-11-27 09:45:26,712 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36afd66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:26, skipping insertion in model container [2019-11-27 09:45:26,713 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:45:26" (1/1) ... [2019-11-27 09:45:26,733 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:45:26,778 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:45:27,239 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:45:27,262 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:45:27,303 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:45:27,341 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:45:27,342 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:27 WrapperNode [2019-11-27 09:45:27,342 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:45:27,353 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:45:27,353 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:45:27,353 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:45:27,476 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:27" (1/1) ... [2019-11-27 09:45:27,491 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:27" (1/1) ... [2019-11-27 09:45:27,543 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:45:27,544 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:45:27,544 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:45:27,544 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:45:27,564 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:27" (1/1) ... [2019-11-27 09:45:27,568 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:27" (1/1) ... [2019-11-27 09:45:27,583 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:27" (1/1) ... [2019-11-27 09:45:27,585 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:27" (1/1) ... [2019-11-27 09:45:27,604 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:27" (1/1) ... [2019-11-27 09:45:27,614 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:27" (1/1) ... [2019-11-27 09:45:27,621 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:27" (1/1) ... [2019-11-27 09:45:27,629 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:45:27,639 INFO L168 Benchmark]: Toolchain (without parser) took 944.31 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 991.3 MB in the end (delta: -29.6 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:45:27,643 INFO L168 Benchmark]: CDTParser took 0.37 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:45:27,647 INFO L168 Benchmark]: CACSL2BoogieTranslator took 651.56 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-27 09:45:27,649 INFO L168 Benchmark]: Boogie Procedure Inliner took 190.59 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 991.3 MB in the end (delta: -41.0 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. [2019-11-27 09:45:27,652 INFO L168 Benchmark]: Boogie Preprocessor took 86.02 ms. Allocated memory is still 1.0 GB. Free memory is still 991.3 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:45:27,663 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 651.56 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 190.59 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 991.3 MB in the end (delta: -41.0 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 86.02 ms. Allocated memory is still 1.0 GB. Free memory is still 991.3 MB. There was no memory consumed. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...